Chlorophyll

What: Chlorophyll (CI 75810) is a green pigment found in almost all plants, algae, and cyanobacteria. It is produced through the process of photosynthesis. In food, Chlorophyll is registered as a food additive (colorant), and its E number is E140. In cosmetics and hair products it is typically labeled as CI 75810 and used as a natural green dye (Wiki).